DO NOT REPLY [Bug 38053] FOP SVN TRUNK crashes at inline page manager and Knuth inline box.

2012-04-01 Thread bugzilla
https://issues.apache.org/bugzilla/show_bug.cgi?id=38053

Glenn Adams gl...@skynav.com changed:

   What|Removed |Added

 Status|RESOLVED|CLOSED

--- Comment #4 from Glenn Adams gl...@skynav.com 2012-04-01 06:40:52 UTC ---
batch transition pre-FOP1.0 resolved+fixed bugs to closed+fixed

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Re: DO NOT REPLY [Bug 38053] - FOP SVN TRUNK crashes at inline page manager and Knuth inline box.

2005-12-28 Thread Simon Pepping
On Wed, Dec 28, 2005 at 05:17:03AM +0100, [EMAIL PROTECTED] wrote:
 For the NPE fix see http://svn.apache.org/viewcvs?rev=359383view=rev
 
 I didn't manage to construct a small test case for the NPE. Any attempts to 
 cut 
 down the large param-tidy.fo to a reasonable size but still exhibiting the 
 problem failed. I must be missing something. Any help / suggestions 
 appreciated.

The test file linearea_nonempty_1.xml reproduces the NPE (without
Manuel's fix).

lastPos being null means that in InlineLM.addAreas, the iterator
parentIter passed to it did not contain any area-generating
positions. In this case, the paragraph is:

Object [0]= LineLayoutManager$Paragraph  (id=96)
Object [0]= KnuthGlue  (id=104)
Object [1]= KnuthPenalty  (id=108)
Object [2]= KnuthGlue  (id=110)
Object [3]= KnuthInlineBox  (id=111)
Object [4]= KnuthPenalty  (id=114)
Object [5]= KnuthGlue  (id=115)
Object [6]= KnuthPenalty  (id=116)

There are two lines: from 0 to 1, and from 2 to 6.

Line 1 is the problem. In LineLM.addInlineArea (a new method, which I
recently extracted from LineLM.addAreas) non-boxes are skipped, so
that iStartElement becomes 3, resulting in an empty iterator.

I do not understand how the line breaking algorithm can produce a line
consisting of only a glue and a penalty.

Regards, Simon

-- 
Simon Pepping
home page: http://www.leverkruid.nl



DO NOT REPLY [Bug 38053] - FOP SVN TRUNK crashes at inline page manager and Knuth inline box.

2005-12-27 Thread bugzilla
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[EMAIL PROTECTED] changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution||FIXED




--- Additional Comments From [EMAIL PROTECTED]  2005-12-28 05:17 ---
The ClassCastException has been fixed as part of Bug #37743.

For the NPE fix see http://svn.apache.org/viewcvs?rev=359383view=rev

I didn't manage to construct a small test case for the NPE. Any attempts to cut 
down the large param-tidy.fo to a reasonable size but still exhibiting the 
problem failed. I must be missing something. Any help / suggestions appreciated.

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